This pair of arm sleeve is stretchy enough for elbow joint and upper arm. Adopting comfortable and breathable polychloroprene material, it is absorbent, flexible and ultrthin. Meanwhile, it will not restrict your elbow's movement and your overall mobility. Feature - Color: Black and Rosy - Material: Polychloroprene - Size XS: 15.5cm(Length) 22cm(Upper Cuff) 19cm(Fore Cuff) - Size S: 16cm(Length) 25cm(Upper Cuff) 21cm(Fore Cuff) - Size M: 16cm(Length) 28cm(Upper Cuff) 24cm(Fore Cuff) - Size L: 16.5cm(Length) 31cm(Upper Cuff) 27cm(Fore Cuff) - Size XL: 16.5cm(Length) 34cm(Upper Cuff) 30cm(Fore Cuff) - Ultrathin and very stretchy, it covers the upper arm comfortably. - No limitation to your elbow's movement and your overall mobility. - Non-slip, breathable and absorbent. - Package Contents: 1 pair of armbands